(19)

(11)

EP 2 616 757 A2

(12)

(88) Date of publication A3: 19.07.2012 (43) Date of publication: 24.07.2013 Bulletin 2013/30 (21) Application number: 11826065.2 (22) Date of filing: 16.09.2011

(51) International Patent Classification (IPC):  F42B 8/16(2006.01) F42B 12/74(2006.01) F42B 12/46(2006.01) F42B 1/02(2006.01) (86) International application number: PCT/US2011/052052 (87) International publication number: WO 2012/037533 (22.03.2012 Gazette 2012/12)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 17.09.2010 US 384222 P (71) Applicant: DSE, INC. Tampa, Florida 33611 (US)	(72) Inventors: SHIN, Dae Y. Tampa, Florida 33611-5651 (US) ROBERTSON, JR., Ralph E. Largo, Florida 33770 (US) (74) Representative: Smith, Samuel Leonard  J A Kemp 14 South Square Gray's Inn London WC1R 5JJ Gray's Inn London WC1R 5JJ (GB)